karl

Announcing new new project: Modular Rack-Mount Power Supply System (mrps) Normally, when working on a project that I plan to release, I’ll do all work in a dedicated private repo until the project reaches a certain level of maturity and stability.

Converting a PurpleAir Classic to ESPHome I still don’t 100% know what the issue is but for the past several months, my PurpleAir Classic sensor has been incredibly flakey when it comes to reporting data.

Loading a certificate onto Avigilon without using CCT I recently won an auction for a used Avigilon camera with the intention of replacing my cheap Reolink cameras with something a bit more “pro” and that would integrate better with Home Assistant.

Two Minute Teardown: USB-C charged AAA battery First, these things have existed for quite a few years now but people still seem to be discovering them.

Corporate Systems Engineering SSHAAC00-S041911 Electric utilities can employ “load shed” devices throughout their grid to manage load.

Frigate: Kubernetes edition This is a follow up to my ‘Frigate From Scratch’ post.

Two Minute Teardown: SMLIGHT SLZB-MRW10 To make a very long story short, I need to move away from my very old 802.15.4 radios plugged into a very old Raspberry Pi for my smart home setup.

Introduction Bit of a change in format; instead of one massive post for all the misc. 11-11 teardowns, I’m grouping them.

Two Minute Teardown: Ubiquiti SFP Wizard Disregard note below about 1.0.5 To make a long story short, I allocated a few hours to build a tool that can read/write the SFP module’s EEPROM.

Two Minute Teardown: Hamgeek YK-1000H NTP Curiosity got the better of me when browsing AliExpress and I spotted this GPS NTP server for under $100 USD.

Two Minute Teardown: Duogalia A-M70 Optical Fiber Multi-Meter While diagnosing a flakey fiber link, i ran into a situation where a basic “flashing red” visual fault finder was not sufficient.